Lock assembly



FIG. 1 is a front/right side/top isometric view of a lock assemblyshowing my new design;

FIG. 2 is a rear/left side/top isometric view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side elevational view thereof; and,

FIG. 8 is a left side elevational view thereof.

The ornamental design for a lock assembly, as shown.